[uscase-webapi]update title name for webapi usecase
[usecase-webapi] Add new Vehicle tests for tizen usecase

- Add Vehicle Information Access API tests.
- Failure reason: can't get vehicle speed.

Impacted TCs num(designed): New 1, Update 0, Delete 0
Unit test Platform: Tizen M0, Tizen IVI
Tizen test result summary: Pass 0, Fail 1, Blocked 0
[webapi] Rename vehicleinfo ivi to xwalk

- Rename webapi-vehicleinfo-ivi-tests to webapi-vehicleinfo-xwalk-tests
[usecase-webapi][XWALK-1330]Add usecase for audiosystem

- Fail Reason: the error callback is invoked

Impacted TCs num(approved): New 1, Update 0, Delete 0
Unit test Platform: [Tizen-IVI]
Test result summary: Pass 0, Fail 1, Blocked 0
Merge pull request #567 from xinliux/xinliux/webapi/vehicle-rename

[webapi] Rename vehicleinfo ivi to xwalk
Merge pull request #513 from JianfengXu/xujf/usecase/audiosystem

[usecase-webapi][XWALK-1330]Add usecase for audiosystem
Merge pull request #508 from JianfengXu/xujf/usecase/title

[uscase-webapi]update title name for webapi usecase
Merge pull request #509 from xinliux/xinliux/usecase/vehicle

[usecase-webapi] Add new Vehicle tests for tizen usecase
[wrt] Add apk source for wrt-securitymanu-android-tests
[misc] Add 2 TCs to cordova usecase
Merge pull request #572 from wanghongjuan/wanghongjuan/misc/cordova-add

[misc] Add 2 TCs to cordova usecase
[Indexeddb] Changed attribute name from multientry to multiEntry

According to the deprecated standard, IndexedDB's Index object should
have attribute named "multientry". The latest standard says that
this attribute should be named "multiEntry" (e is uppercase).

BUG=XWALK-2203
Merge pull request #566 from kangxu/kangxu/wrt-securitymanu-android-tests/addsource

[wrt] Add apk source for wrt-securitymanu-android-tests